Cheap flights from St. Louis to Sofia from $593

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Sofia departing on 9/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

United Airlines Logo
3:20 pm - 11:00 pmSTL-SOF
23h 40m2 stops
United Airlines Logo
6:15 am - 7:47 pmSOF-STL
21h 32m2 stops
$593United Airlines
Find Deal
Wed, Sep 3 - Wed, Oct 1
 Logo
1:30 pm - 5:50 pmSTL-SOF
20h 20m2 stops
 Logo
6:55 pm - 7:57 pmSOF-STL
33h 02m2 stops
Tue, Aug 26 - Tue, Sep 2
 Logo
1:30 pm - 1:20 pmSTL-SOF
15h 50m2 stops
 Logo
6:35 pm - 1:30 pmSOF-STL
26h 55m1 stop
Tue, Aug 26 - Tue, Sep 2
 Logo
9:15 am - 5:50 pmSTL-SOF
24h 35m2 stops
 Logo
6:15 am - 1:30 pmSOF-STL
15h 15m1 stop
Wed, Sep 24 - Wed, Oct 22
Lufthansa Logo
5:30 pm - 10:50 pmSTL-SOF
21h 20m2 stops
Lufthansa Logo
6:15 am - 3:44 pmSOF-STL
17h 29m2 stops
$699Lufthansa
Find Deal
Fri, Sep 5 - Wed, Oct 1
 Logo
9:15 am - 5:50 pmSTL-SOF
24h 35m2 stops
 Logo
6:00 am - 1:30 pmSOF-STL
15h 30m2 stops
Wed, Sep 24 - Wed, Oct 22
United Airlines Logo
1:30 pm - 10:50 pmSTL-SOF
25h 20m2 stops
United Airlines Logo
6:20 am - 1:30 pmSOF-STL
15h 10m1 stop
$745United Airlines
Find Deal
Fri, Aug 22 - Sun, Sep 14
British Airways Logo
3:59 pm - 8:20 pmSTL-SOF
44h 21m2 stops
British Airways Logo
9:10 pm - 8:26 pmSOF-STL
31h 16m2 stops
$754British Airways
Find Deal
Fri, Sep 5 - Sun, Oct 5
United Airlines Logo
1:30 pm - 10:50 pmSTL-SOF
25h 20m2 stops
United Airlines Logo
6:20 am - 10:08 pmSOF-STL
23h 48m2 stops
$755United Airlines
Find Deal
Fri, Aug 22 - Sun, Sep 14
Lufthansa Logo
5:30 pm - 10:50 pmSTL-SOF
21h 20m2 stops
Lufthansa Logo
6:15 am - 1:30 pmSOF-STL
15h 15m1 stop
$909Lufthansa
Find Deal
Fri, Sep 5 - Wed, Oct 1

United Airlines flights from St. Louis to Sofia

Our best United Airlines deals on St. Louis to Sofia flight tickets
United Airlines
Sep 3
STL3:20 pmLambert-St Louis
23h 40m
2 stops
SOF11:00 pmSofia
Oct 1
SOF6:15 amSofia
21h 32m
2 stops
STL7:47 pmLambert-St Louis
United Airlines
Aug 22
STL1:30 pmLambert-St Louis
25h 20m
2 stops
SOF10:50 pmSofia
Sep 14
SOF6:20 amSofia
15h 10m
1 stop
STL1:30 pmLambert-St Louis
United Airlines
Aug 22
STL1:30 pmLambert-St Louis
25h 20m
2 stops
SOF10:50 pmSofia
Sep 14
SOF6:20 amSofia
23h 48m
2 stops
STL10:08 pmLambert-St Louis

Lufthansa flights from St. Louis to Sofia

Our best Lufthansa deals on St. Louis to Sofia flight tickets
Lufthansa
Sep 5
STL5:30 pmLambert-St Louis
21h 20m
2 stops
SOF10:50 pmSofia
Oct 1
SOF6:15 amSofia
17h 29m
2 stops
STL3:44 pmLambert-St Louis
Lufthansa
Sep 5
STL5:30 pmLambert-St Louis
21h 20m
2 stops
SOF10:50 pmSofia
Oct 1
SOF6:15 amSofia
15h 15m
1 stop
STL1:30 pmLambert-St Louis
Lufthansa
Sep 24
STL3:30 pmLambert-St Louis
18h 20m
1 stop
SOF5:50 pmSofia
Oct 22
SOF6:15 amSofia
15h 15m
1 stop
STL1:30 pmLambert-St Louis

See travel insights to Sofia from

How to get the cheapest flight ticket from St. Louis to Sofia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sofia?

The cheapest month to fly to Sofia from St. Louis is in February. Flight prices, which tend to average around $640, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Sofia from St. Louis during January instead. Flights to Sofia in January, while not as cheap as those in February, still average around $751.

What is the cheapest day to depart on your flight to Sofia?

According to our data, Saturday is the cheapest day to fly to Sofia from St. Louis. The lowest ticket price found for a Saturday departure recently was $1,095. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from St. Louis to Sofia on a Friday will generally be more expensive and average around $1,306. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Sofia?

In the morning is the cheapest time of day to fly from St. Louis to Sofia when you can find flight prices for as low as $1,199. Flying to Sofia in the morning is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Sofia, so prices are often more expensive at around $1,335 per ticket.

How far in advance should I book a flight to Sofia?

You are more likely to see cheaper flights to Sofia from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Sofia for around $1,021 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sofia from St. Louis for as low as $815 on momondo.

When to book flights from St. Louis to Sofia

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Sofia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Sofia (STL to SOF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Sofia

Best Price Found

$593

Fastest flight time

13h 45m

Direct flights

None

Airports in Sofia

1 airport
The best flight deal from St. Louis to Sofia found on momondo in the last 72 hours is $593
The fastest flight from St. Louis to Sofia takes 13h 45m
There are no direct flights from St. Louis to Sofia. Popular non-direct route for this connection is Lambert-St Louis Airport - Sofia Airport.
There is 1 airport near Sofia: Sofia (SOF)

  • How far is Lambert-St Louis to Sofia by plane?

    A flight from Lambert-St Louis to Sofia will travel around 5441.0 mi. 13h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Sofia Airport?

    Prices for flights from Lambert-St Louis Airport to Sofia Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Sofia Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Sofia Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Sofia Airport.

  • What documentation or ID do you need to fly to Sofia Airport?

    The travel and health documents you'll need for your trip to Sofia Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sofia Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Sofia?


Best airlines flying from St. Louis to Sofia

Compare and see reviews for airlines that fly from St. Louis to Sofia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $711Free CancellationRating
7.4
8,856 reviews
Search United Airlines flights
LufthansaPriceFrom $734Free CancellationRating
6.8
7,205 reviews
Search Lufthansa flights

Traveling to a place near Sofia?

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Bansko
Velingrad
Borovets
Sandanski

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Why should I use momondo to find a flight deal from St. Louis to Sofia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Sofia. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Sofia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sofia from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Sofia?

Once all potential St. Louis to Sofia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Sofia right now. Can momondo alert me if prices change?

Price alerts on flights to Sofia from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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